/zoeplat

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  • Committer: Josh C
  • Date: 2013-03-05 16:54:58 UTC
  • Revision ID: josh@9ix.org-20130305165458-1w0u0ojz1wd7f7hu
use built-in maxVelocity system

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main.lua
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require 'zoetrope'
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TERM_VEL = 400
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Player = Tile:extend {
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   image = 'data/player.png',
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   onNew = function (self)
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              self.velocity.y = 0
 
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              self.maxVelocity.y = 400
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           end,
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   onStartFrame = function (self)
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                     -- this is all in startframe so it happens before
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                     -- physics calc at beginning of update
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                 self.velocity.x = 0
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                 -- TODO: this can be replaced with sprite.maxVel.y    
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                 if self.velocity.y >= TERM_VEL then
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                    self.velocity.y = TERM_VEL
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                    self.acceleration.y = 0
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                 else
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                    self.acceleration.y = 800
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                 end
 
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                 self.acceleration.y = 800
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                 if the.keys:pressed('left') then
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                    self.velocity.x = -200